package com.tanhua.server.interceptor;

import com.tanhua.commons.utils.JwtUtils;
import com.tanhua.commons.utils.UserHolder;
import com.tanhua.model.domain.mysql.User;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Slf4j
public class TokenInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //1、获取请求头
        log.info("request into TokenInterceptor : {}", request.getRequestURI());
        String token = request.getHeader("Authorization");
        //2、使用工具类，判断token是否有效
        /*boolean verifyToken = JwtUtils.verifyToken(token);
        //3、如果token失效，返回状态码401，拦截
        if(!verifyToken){
            log.info("token失效,拦截请求");
            ResponseEntity.status(401);
            return false;
        }*/
        Claims claims = JwtUtils.getClaims(token);
        String phone = (String) claims.get("phone");
        Integer id = (Integer) claims.get("id");
        //解析token，获取id和手机号码，构造User对象，存入Threadlocal
        User user = new User();
        user.setId(Long.valueOf(id));
        user.setMobile(phone);
        UserHolder.set(user);
        //
        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        UserHolder.delete();
    }

}